Suiko ST-40 Koto Synthesizer

keyboard

Worth around€86

Most sell between €69 and €92.

€69price it to sell fast
€86fair price
€92if you can wait
Why these numbers?
Typical price€86median of 8 sales, last 6 months
Middle half of sales€69€9225th–75th percentile, same window
Sales on record135all-time, all platforms, in EUR
Time to sellonly counted from listings we watch start to finish; not enough yet

Outliers beyond 10× the product’s own median (bundles, parts, typos) are excluded before anything is computed. As of 3 September 2026. Full method

Price history

50Aug 2024: median €52, 3 salesOct 2024: median €52, 4 salesApr 2025: median €43, 3 salesMay 2025: median €52, 7 salesJun 2025: median €52, 3 salesSept 2025: median €52, 3 salesMar 2026: median €69, 4 salesAug 2024May 2025Mar 2026

What it sold for, month by month. The shaded band is where the middle half of sales landed.

The Suiko ST-40 Koto Synthesizer sold for a median of €86 over the last 6 months across 8 recorded sales on European marketplaces, with most examples landing between €69 and €92. Figures computed 3 September 2026 by Doirado from cross-platform listing data, in EUR.

For sale right now

Best-priced first. Links go to the source listing.

Nothing live right now on the platforms we track.